30345393 has 16 divisors (see below), whose sum is σ = 43709120. Its totient is φ = 18615744.

The previous prime is 30345389. The next prime is 30345407. The reversal of 30345393 is 39354303.

It is not a de Polignac number, because 30345393 - 2² = 30345389 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 30345393.

It is not an unprimeable number, because it can be changed into a prime (30345313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13755 + ... + 15807.

It is an arithmetic number, because the mean of its divisors is an integer number (2731820).

Almost surely, 2^30345393 is an apocalyptic number.

It is an amenable number.

30345393 is a deficient number, since it is larger than the sum of its proper divisors (13363727).

30345393 is a wasteful number, since it uses less digits than its factorization.

30345393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2448.

The product of its (nonzero) digits is 14580, while the sum is 30.

The square root of 30345393 is about 5508.6652648350. The cubic root of 30345393 is about 311.9111659485.

Adding to 30345393 its reverse (39354303), we get a palindrome (69699696).

The spelling of 30345393 in words is "thirty million, three hundred forty-five thousand, three hundred ninety-three".